In this photo provided by WildRescue, a red-tailed hawk is seen with a nail in its head at Golden Gate Park in San Francisco, in this Oct. 18, 2011 file photo. The wildlife rescue group says it has captured the red-tailed hawk in a San Francisco park that appears to have been shot in the head with a nail gun. Rebecca Dmytryk, executive director of the Monterey-based group WildRescue, says the juvenile bird was trapped Saturday Oct. 22, 2011 shortly before sunset at the San Francisco Botanical Gardens. She says the bird was immediately transported to Wildlife Center of Silicon Valley in San Jose. (AP Photo/WildRescue, Rebecca Dmytryk)